Slide 1

USBR Updates: Green RiverCRFS Meeting March 27, 2014

Green River OperationsFontenelle Flaming Gorge

2Fontenelle Operations

3FontenelleStorageLive Capacity 345,000AFCapacity on 3/26/14127,317AF(37% full) slightly high for MarchPool ElevationReservoir Elev. (Min) 6506.00feetElevation on 3/26/14 6472.07feetElevation above (Min) 33.93feet

Inflow and ReleaseAverage Inflow 925cfsAverage Release 1,430cfs 4Fontenelle Reservoir Elevation

5Go to P:\FontenelleOps\FontenelleDailyOps.xls to get most recent plot

Fontenelle Inflow and ReleaseApr Jul Inflow1,240 KAF (171%)Projected releases between 3,000-8,000 cfs over summer, likely longer duration of 8,000 cfs, depends on observed inflow6Go to P:\FontenelleOps\FontenelleDailyOps.xls to get most recent plot

Flaming Gorge Operations

7Flaming GorgeLive Capacity 3.752 MAFCapacity on 3/26/142.909MAFAvailable Space .843MAF(78% full)

Reservoir Elev. 6040.00feetElevation on 3/26/14 6017.99feetElevation below (Full) 22.01feet

Average Inflow 1,750cfsAverage Release 830cfs 8

Spring 2014 HydrographApr Jul Inflow1,430 KAF (146%)Projected releases steady of approximately 2,000 cfs over summer and winterProjected peak between 4,600-8,600 cfs for 3-4 weeks during larval driftUpper Green Classifications

Yampa River Classifications

Green WY 2014Fontenelle releases expected to be higher this summer and the reservoir is expected to fill.

Flaming Gorge peak release timed with larval trigger. Runoff conditions may require releases prior to larval presence. Maximum summer releases vary between 3,000 cfs, 4,600 cfs and 8,600 cfs. Current base flow releases calculated at 1,975 cfs.